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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 27 July 2026

Tonight and Tuesday.

Wind light tonight and Tuesday.

Fog patches forming overnight.

Extended Forecast

Issued 03:30 PM ADT 27 July 2026
Wednesday Wind light.
Thursday Wind easterly 10 to 15 knots.
Friday Wind variable 10 to 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 27 July 2026 Tonight and Tuesday At 3:30 p.m. ADT today low 1002 mb located over East Scotian Slope.
By 8:00 p.m. ADT Tuesday departing low 1004 mb located over
Banquereau.

At 10:00 a.m. ADT Tuesday building ridge located over the
southwestern Marine District.
By 8:00 p.m. ADT Tuesday ridge located over the central Marine
District.

St. Lawrence - St. Lawrence River Area

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